Vortex propeller



FIG. 1 is an elevated, perspective view of the vortex propeller in accordance with our invention;

FIG. 2 is a front view thereof;

FIG. 3 is back view of FIG. 1;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is an opposite view of FIG. 4;

FIG. 6 is a top view of FIG. 1; and,

FIG. 7 is a bottom view of FIG. 1. 

CLAIM The ornamental design for a vortex propeller, as shown and described herein. 